import java.util.InputMismatchException;
import java.util.Scanner;
public class GuessNumber {
    public static void main(String[] args) {


        System.out.println("欢迎来到猜数字");
        Scanner scan=new Scanner(System.in);
               while (true) {
                   int guess;
                   int chances = 7;
                   int answer = (int) (Math.random() * 100 + 1);
                   while (chances > 0) {
                       System.out.println("请输入一个1-100之间的数字，含1和100,你还有几次:" + chances + "机会");
                       try {
                           guess = scan.nextInt();
                       } catch (InputMismatchException e) {
                           System.out.println("请输入数字");

                           scan.next(); //把回车给读取掉防止死循环
                           continue;
                       }
                       //4比较一次并给出反馈
                       if (guess == -1) {
                           break;
                       } else if (guess > answer) {
                           System.out.println("大了!");
                       } else if (guess < answer) {
                           System.out.println("小了!");
                       } else {
                           System.out.println("恭喜猜对啦");
                           break;
                       }
                       chances = chances - 1;
                   }
                   System.out.println("再玩一次吗？（y/n）");
                   String again=scan.next();
                   if(!again.equalsIgnoreCase("y")){
                       break;
                   }
               }

    }
}
